package qldc.pm.tienan.service.persistence;

import com.liferay.portal.kernel.bean.PortletBeanLocatorUtil;
import com.liferay.portal.kernel.dao.orm.DynamicQuery;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.util.OrderByComparator;
import com.liferay.portal.kernel.util.ReferenceRegistry;
import com.liferay.portal.service.ServiceContext;

import qldc.pm.tienan.model.TangThu;

import java.util.List;

/**
 * The persistence utility for the tang thu service. This utility wraps {@link TangThuPersistenceImpl} and provides direct access to the database for CRUD operations. This utility should only be used by the service layer, as it must operate within a transaction. Never access this utility in a JSP, controller, model, or other front-end class.
 *
 * <p>
 * Caching information and settings can be found in <code>portal.properties</code>
 * </p>
 *
 * @author Brian Wing Shun Chan
 * @see TangThuPersistence
 * @see TangThuPersistenceImpl
 * @generated
 */
public class TangThuUtil {
    private static TangThuPersistence _persistence;

    /*
     * NOTE FOR DEVELOPERS:
     *
     * Never modify this class directly. Modify <code>service.xml</code> and rerun ServiceBuilder to regenerate this class.
     */

    /**
     * @see com.liferay.portal.service.persistence.BasePersistence#clearCache()
     */
    public static void clearCache() {
        getPersistence().clearCache();
    }

    /**
     * @see com.liferay.portal.service.persistence.BasePersistence#clearCache(com.liferay.portal.model.BaseModel)
     */
    public static void clearCache(TangThu tangThu) {
        getPersistence().clearCache(tangThu);
    }

    /**
     * @see com.liferay.portal.service.persistence.BasePersistence#countWithDynamicQuery(DynamicQuery)
     */
    public static long countWithDynamicQuery(DynamicQuery dynamicQuery)
        throws SystemException {
        return getPersistence().countWithDynamicQuery(dynamicQuery);
    }

    /**
     * @see com.liferay.portal.service.persistence.BasePersistence#findWithDynamicQuery(DynamicQuery)
     */
    public static List<TangThu> findWithDynamicQuery(DynamicQuery dynamicQuery)
        throws SystemException {
        return getPersistence().findWithDynamicQuery(dynamicQuery);
    }

    /**
     * @see com.liferay.portal.service.persistence.BasePersistence#findWithDynamicQuery(DynamicQuery, int, int)
     */
    public static List<TangThu> findWithDynamicQuery(
        DynamicQuery dynamicQuery, int start, int end)
        throws SystemException {
        return getPersistence().findWithDynamicQuery(dynamicQuery, start, end);
    }

    /**
     * @see com.liferay.portal.service.persistence.BasePersistence#findWithDynamicQuery(DynamicQuery, int, int, OrderByComparator)
     */
    public static List<TangThu> findWithDynamicQuery(
        DynamicQuery dynamicQuery, int start, int end,
        OrderByComparator orderByComparator) throws SystemException {
        return getPersistence()
                   .findWithDynamicQuery(dynamicQuery, start, end,
            orderByComparator);
    }

    /**
     * @see com.liferay.portal.service.persistence.BasePersistence#update(com.liferay.portal.model.BaseModel)
     */
    public static TangThu update(TangThu tangThu) throws SystemException {
        return getPersistence().update(tangThu);
    }

    /**
     * @see com.liferay.portal.service.persistence.BasePersistence#update(com.liferay.portal.model.BaseModel, ServiceContext)
     */
    public static TangThu update(TangThu tangThu, ServiceContext serviceContext)
        throws SystemException {
        return getPersistence().update(tangThu, serviceContext);
    }

    /**
    * Caches the tang thu in the entity cache if it is enabled.
    *
    * @param tangThu the tang thu
    */
    public static void cacheResult(qldc.pm.tienan.model.TangThu tangThu) {
        getPersistence().cacheResult(tangThu);
    }

    /**
    * Caches the tang thus in the entity cache if it is enabled.
    *
    * @param tangThus the tang thus
    */
    public static void cacheResult(
        java.util.List<qldc.pm.tienan.model.TangThu> tangThus) {
        getPersistence().cacheResult(tangThus);
    }

    /**
    * Creates a new tang thu with the primary key. Does not add the tang thu to the database.
    *
    * @param tangThuId the primary key for the new tang thu
    * @return the new tang thu
    */
    public static qldc.pm.tienan.model.TangThu create(long tangThuId) {
        return getPersistence().create(tangThuId);
    }

    /**
    * Removes the tang thu with the primary key from the database. Also notifies the appropriate model listeners.
    *
    * @param tangThuId the primary key of the tang thu
    * @return the tang thu that was removed
    * @throws qldc.pm.tienan.NoSuchTangThuException if a tang thu with the primary key could not be found
    * @throws SystemException if a system exception occurred
    */
    public static qldc.pm.tienan.model.TangThu remove(long tangThuId)
        throws com.liferay.portal.kernel.exception.SystemException,
            qldc.pm.tienan.NoSuchTangThuException {
        return getPersistence().remove(tangThuId);
    }

    public static qldc.pm.tienan.model.TangThu updateImpl(
        qldc.pm.tienan.model.TangThu tangThu)
        throws com.liferay.portal.kernel.exception.SystemException {
        return getPersistence().updateImpl(tangThu);
    }

    /**
    * Returns the tang thu with the primary key or throws a {@link qldc.pm.tienan.NoSuchTangThuException} if it could not be found.
    *
    * @param tangThuId the primary key of the tang thu
    * @return the tang thu
    * @throws qldc.pm.tienan.NoSuchTangThuException if a tang thu with the primary key could not be found
    * @throws SystemException if a system exception occurred
    */
    public static qldc.pm.tienan.model.TangThu findByPrimaryKey(long tangThuId)
        throws com.liferay.portal.kernel.exception.SystemException,
            qldc.pm.tienan.NoSuchTangThuException {
        return getPersistence().findByPrimaryKey(tangThuId);
    }

    /**
    * Returns the tang thu with the primary key or returns <code>null</code> if it could not be found.
    *
    * @param tangThuId the primary key of the tang thu
    * @return the tang thu, or <code>null</code> if a tang thu with the primary key could not be found
    * @throws SystemException if a system exception occurred
    */
    public static qldc.pm.tienan.model.TangThu fetchByPrimaryKey(long tangThuId)
        throws com.liferay.portal.kernel.exception.SystemException {
        return getPersistence().fetchByPrimaryKey(tangThuId);
    }

    /**
    * Returns all the tang thus.
    *
    * @return the tang thus
    * @throws SystemException if a system exception occurred
    */
    public static java.util.List<qldc.pm.tienan.model.TangThu> findAll()
        throws com.liferay.portal.kernel.exception.SystemException {
        return getPersistence().findAll();
    }

    /**
    * Returns a range of all the tang thus.
    *
    * <p>
    * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set. If <code>orderByComparator</code> is specified, then the query will include the given ORDER BY logic. If <code>orderByComparator</code> is absent and pagination is required (<code>start</code> and <code>end</code> are not {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS}), then the query will include the default ORDER BY logic from {@link qldc.pm.tienan.model.impl.TangThuModelImpl}. If both <code>orderByComparator</code> and pagination are absent, for performance reasons, the query will not have an ORDER BY clause and the returned result set will be sorted on by the primary key in an ascending order.
    * </p>
    *
    * @param start the lower bound of the range of tang thus
    * @param end the upper bound of the range of tang thus (not inclusive)
    * @return the range of tang thus
    * @throws SystemException if a system exception occurred
    */
    public static java.util.List<qldc.pm.tienan.model.TangThu> findAll(
        int start, int end)
        throws com.liferay.portal.kernel.exception.SystemException {
        return getPersistence().findAll(start, end);
    }

    /**
    * Returns an ordered range of all the tang thus.
    *
    * <p>
    * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set. If <code>orderByComparator</code> is specified, then the query will include the given ORDER BY logic. If <code>orderByComparator</code> is absent and pagination is required (<code>start</code> and <code>end</code> are not {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS}), then the query will include the default ORDER BY logic from {@link qldc.pm.tienan.model.impl.TangThuModelImpl}. If both <code>orderByComparator</code> and pagination are absent, for performance reasons, the query will not have an ORDER BY clause and the returned result set will be sorted on by the primary key in an ascending order.
    * </p>
    *
    * @param start the lower bound of the range of tang thus
    * @param end the upper bound of the range of tang thus (not inclusive)
    * @param orderByComparator the comparator to order the results by (optionally <code>null</code>)
    * @return the ordered range of tang thus
    * @throws SystemException if a system exception occurred
    */
    public static java.util.List<qldc.pm.tienan.model.TangThu> findAll(
        int start, int end,
        com.liferay.portal.kernel.util.OrderByComparator orderByComparator)
        throws com.liferay.portal.kernel.exception.SystemException {
        return getPersistence().findAll(start, end, orderByComparator);
    }

    /**
    * Removes all the tang thus from the database.
    *
    * @throws SystemException if a system exception occurred
    */
    public static void removeAll()
        throws com.liferay.portal.kernel.exception.SystemException {
        getPersistence().removeAll();
    }

    /**
    * Returns the number of tang thus.
    *
    * @return the number of tang thus
    * @throws SystemException if a system exception occurred
    */
    public static int countAll()
        throws com.liferay.portal.kernel.exception.SystemException {
        return getPersistence().countAll();
    }

    public static TangThuPersistence getPersistence() {
        if (_persistence == null) {
            _persistence = (TangThuPersistence) PortletBeanLocatorUtil.locate(qldc.pm.tienan.service.ClpSerializer.getServletContextName(),
                    TangThuPersistence.class.getName());

            ReferenceRegistry.registerReference(TangThuUtil.class,
                "_persistence");
        }

        return _persistence;
    }

    /**
     * @deprecated As of 6.2.0
     */
    public void setPersistence(TangThuPersistence persistence) {
    }
}
